Poppler with QT doesn't like this corrupted pdf file. Rendering into a image this pdf takes to long an too much resources.
Created attachment 32824 [details] corupted pdf file
Qt frontend has nothing to do, and to be fair, and the biggest problem is that we don't render it correctly slowlyness and resource usage is a much smaller problem.
yes, if you this the attached pdf file with acrobat reader it will look different then with a pdf viwer based on poppler. As I said before, the pdf file is corrupt.
The rendering will be correct in poppler >= 0.13.1 If once you use poppler >= 0.13.1 you still think we take too much memory or time please reopen the bug.
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